The United States will purchase missiles for Patriot anti-aircraft missile systems. The U.S. Army has signed a $4.5 billion contract, according to Reuters. The U.S. Army has signed a multi-year contract with Lockheed Martin worth $4.5 billion. Under the terms of the agreement, the American military ordered 870 PAC-3 MSE missiles and related equipment. The contract was signed against the backdrop of Russia’s war against Ukraine. Western countries have provided Ukraine with Patriot air defense systems to protect against Russian attacks. According to the publication, Lockheed Martin manufactures …